Prepare Butternut Squash Puree according to linked recipe. Set aside to warm just before serving. While squash is cooking, make collards and sauce, and prep ingredients for halibut.
Cook Collard Greens: fill large pot 2/3 full with water and add a dash of salt. Bring to a boil. Once boiling add collard greens and boil 3 min.
While collards are boiling heat olive oil in sautée pan over medium heat. When collards are 1 min from being done boiling, add garlic and pepper slices to olive oil.
Once collards are done boiling, carefully drain with a large sieve and transfer to pan with olive oil. Toss with tongs and cook 3 minutes. Set aside and warm just before serving.
Make Spicy Maple Butter Sauce: Add all ingredients to small saucepan. Over medium-low heat, warm until butter is melted. Whisk to blend, turn heat to low and whisk for 2 more minutes. Set aside and warm just before serving.
Prepare Halibut: Heat a large cast iron pan over medium heat. In a wide, shallow bowl crack eggs and whisk. In a second wide, shallow bowl, place spelt flour. In a third place bread crumbs, pecans, rosemary, salt, pepper, and garlic powder and stir to mix in seasonings evenly. Pat halibut dry.
Dip 1 piece of halibut in eggs to coat evenly. Dredge in spelt flour and then encrust with pecan and bread crumb mixture. Repeat for remaining halibut pieces.
Add avocado oil to the pan. Then, add fish pieces. Cook 3-5 minutes (depending on thickness of fish). Flip and then cook another 3-5 minutes until desired doneness in reached. Note: FDA recommends an internal temperature of 145℉ for safe consumption. Many chefs recommend 130℉ for most desirable texture.
Put it all together: Spread ¼ butternut squash in a shallow bowl or plate. Top with ¼ collard greens. Add 1 piece of halibut and drizzle ¼ of the sauce on top. Repeat for remaining portions.